Сульфид натрия (Na 2 S)

Product character Molecular formula: Na2S.Thin flakes,yellow or red, soluble in water, slightly soluble in alcohol, in soluble in ether, presents strong alkaline solution, easily oxidized when exposed to air, poison. Use Maily used in making sulfur dyestuff intermediates,reducer,mordant,flotation agent, depilatory for leather, digestion auxiliary in paper-making, and also widely used in pigmeng and rubber industry. Packing 25kgs plastic woven bags Table1 Spec150PPM200PPM250PPM300PPMNa2S(%)≥50.050.050.050.0Na2CO3(%)≤2.02.02.02.0Water Insoluble(%)≤0.20.20.20.2Fe(%)≤0.0150.020.0250.03 Table2 Spec150PPM200PPM250PPM300PPMNa2S(%)≥52.052.052.052.0Na2CO3(%)≤2.02.03.05.0Water Insoluble(%)≤0.20.20.20.4Fe(%)≤0.0150.020.0250.03 Table 3 SPEC150ppm200ppm250ppm300ppmNa2S(%)60.060.060.060.0Na2CO3(%)2.02.02.02.0water insoluble(%)0.20.20.20.2Fe(%)0.0150.0200.0250.030